Putting marker



FIG. 1 is a perspective view of a putting marker;

FIG. 2 is a front view thereof, wherein a rear view, a top view, and abottom view are mirror images of the front view; and,

FIG. 3 is a left-hand side view thereof, wherein a right-hand side viewis a mirror image of the left-hand side view.

CLAIM The ornamental design for a putting marker, as shown anddescribed.